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Hartmut Hackmann4b1431c2008-04-22 14:42:09 -03001/*
2 * isl6405.h - driver for dual lnb supply and control ic ISL6405
3 *
4 * Copyright (C) 2008 Hartmut Hackmann
5 * Copyright (C) 2006 Oliver Endriss
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
23 *
24 *
25 * the project's page is at http://www.linuxtv.org
26 */
27
28#ifndef _ISL6405_H
29#define _ISL6405_H
30
31#include <linux/dvb/frontend.h>
32
33/* system register bits */
34
35/* this bit selects register (control) 1 or 2
36 note that the bit maps are different */
37
38#define ISL6405_SR 0x80
39
40/* SR = 0 */
41#define ISL6405_OLF1 0x01
42#define ISL6405_EN1 0x02
43#define ISL6405_VSEL1 0x04
44#define ISL6405_LLC1 0x08
45#define ISL6405_ENT1 0x10
46#define ISL6405_ISEL1 0x20
47#define ISL6405_DCL 0x40
48
49/* SR = 1 */
50#define ISL6405_OLF2 0x01
51#define ISL6405_OTF 0x02
52#define ISL6405_EN2 0x04
53#define ISL6405_VSEL2 0x08
54#define ISL6405_LLC2 0x10
55#define ISL6405_ENT2 0x20
56#define ISL6405_ISEL2 0x40
57
Peter Senna Tschudin7b34be72013-01-20 01:32:56 -030058#if IS_ENABLED(CONFIG_DVB_ISL6405)
Hartmut Hackmann4b1431c2008-04-22 14:42:09 -030059/* override_set and override_clear control which system register bits (above)
60 * to always set & clear
61 */
62extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
63 u8 i2c_addr, u8 override_set, u8 override_clear);
64#else
65static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
66 struct i2c_adapter *i2c, u8 i2c_addr,
67 u8 override_set, u8 override_clear)
68{
Harvey Harrison271ddbf2008-04-08 23:20:00 -030069 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
Hartmut Hackmann4b1431c2008-04-22 14:42:09 -030070 return NULL;
71}
72#endif /* CONFIG_DVB_ISL6405 */
73
74#endif